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Sentence analysis
6Spans
Sentence
Span Details
事故
accident; incident; trouble; circumstances; reasonsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
原因調査
cause investigation; root cause analysisnoun
が
subject markergrammar
始まっ
begin; start; commence; start up again; begin again; happen again; date from; originate in; have its beginnings in-> 始まるgodan verb
た。
past tense or completed actiongrammar